Yucatan Marinated Halibut Grilled in Banana Leaves with Orange Pineapple Relish

Name: Yucatan Marinated Halibut Grilled in Banana Leaves with Orange-Pineapple Relish
Ingredients: 1 1/2 cups fresh orange juice; 1/2 cup fresh lime juice; 1/4 cup fresh lemon juice; 2 tablespoons olive oil; 2 tablespoons ancho chili powder; 4 teaspoons pasilla chili powder; 2 teaspoons chili de arbol powder; 4 (8-ounce) halibut fillets, skinned; 4 banana leaves, soaked in water for at least 30 minutes; Salt and freshly ground pepper; Orange-Pineapple Relish, recipe follows; 2 limes, juiced; 2 tablespoons freshly squeezed orange juice; 1 teaspoon chili de arbol powder; 2 teaspoons honey; 2 tablespoons extra-virgin olive oil; 1/2 ripe pineapple, peeled, cored, and cut into small dice; 2 oranges, peeled and segmented; 3 green onions, thinly sliced; 3 tablespoons chopped fresh mint leaves